A 298.01 or 298.02 Scanner Missing error is generally caused by one of the scanner cables being loose or unplugged.
Step Action Image 1 Power off the MFP. No Image 2
Check the two cable connections on the rear of the ADF unit (red 1 Bottom ADF Cable or red 2 Top ADF cable in right-hand image). Unplug and replug both cables in order to ensure that the connectors are seated fully before proceeding to tighten the two screws completely.
NOTE: A flat-head screwdriver or a coin are ideal implements for tightening the screws completely.
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Power on the MFP again.
Did the error return?
Yes: Continue to Contacting Lexmark.
No: The error is resolved.
If you need additional assistance, please contact Lexmark Technical Support. NOTE: When calling for support, you will be asked for your machine/model type and serial number (SN).
Please call from near a computer and printer in case the technician on the phone asks you to perform a task involving one or all of these devices.